Use function name in the error log instead of __FILE__.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
---
 drivers/rtc/hctosys.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/hctosys.c b/drivers/rtc/hctosys.c
index 6c719f2..7748a61 100644
--- a/drivers/rtc/hctosys.c
+++ b/drivers/rtc/hctosys.c
@@ -33,7 +33,7 @@ static int __init rtc_hctosys(void)
 
 	if (rtc == NULL) {
 		pr_err("%s: unable to open rtc device (%s)\n",
-			__FILE__, CONFIG_RTC_HCTOSYS_DEVICE);
+			__func__, CONFIG_RTC_HCTOSYS_DEVICE);
 		goto err_open;
 	}
 
-- 
2.2.0